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| Number | Title | Issue Date |
| 8173562 | Shaded zirconia ceramics The invention relates to compositions based on Ce-stabilized ZrO2, and single- and multi-colored blanks made from oxide ceramics, and a process for their preparation, in which oxide ceramic powder is coated with a coloring substance, the coated powders ar... | 05/08/2012 |
| 8124554 | Fused cast refractory block with high zirconia content The present invention provides a fused cast refractory block comprising a mean zirconia (ZrO2+HfO2) content of more than 85% as a percentage by weight based on the oxides, and with a standard deviation σ of the local zirconia content divided b... | 02/28/2012 |
| 8084382 | Ceramic powder, ceramic layer and layer system with pyrochlore phase and oxides There is described a Ceramic Powder, a Ceramic Layer and a Layer System with Pyrochlore Phase and Oxides. Besides a good thermal insulation property, thermal insulation layer systems must also have a long lifetime of the thermal insulation layer. A described layer s... | 12/27/2011 |
| 7968485 | Ceramic powder, ceramic layer and layer system of two pyrochlore phases and oxides There is described a Ceramic Powder, a Ceramic Layer and a Layer System of Two Pyrochlore Phases and Oxides. Besides a good thermal insulation property, thermal insulation layer systems must also have a long lifetime of the thermal insulation layer. The layer system... | 06/28/2011 |
| 7799716 | Partially-alloyed zirconia powder The present invention provides a low density and porous zirconia (ZrO2) powder partially alloyed with one or more of yttria, scandia, dysprosia, ytterbia, or any of the oxides of lanthanide or actinide. The total amount of alloying oxides should be less t... | 09/21/2010 |
| 7776774 | Composite material and method of producing the same There is provided a strengthened composite material that is able to improve yield, handling, and reliability when it is applied to members of semiconductor manufacturing apparatus. Five to 60 mol % ZrO2 is contained relative to Y2O3,... | 08/17/2010 |
| 7723249 | Ceramic material for high temperature service The invention is directed to a ceramic material for use in thermal barriers for high temperature cycling applications and high temperature abradable coatings. The material is an alloy formed predominantly from ultra-pure zirconia (ZrO2) and/or hafnia (HfO... | 05/25/2010 |
| 7700508 | Low conductivity and high toughness tetragonal phase structured ceramic thermal barrier coatings A composition for thermal barrier coatings exhibiting improved thermal conductivity and toughness is provided. The composition is comprised of a base majority oxide, a first dopant oxide, at least one small rare earth oxide, at least one large rare earth oxide and a... | 04/20/2010 |
| 7655586 | Dental restorations using nanocrystalline materials and methods of manufacture Dental articles are produced using relatively low sintering temperatures to achieve high density dental articles exhibiting strengths equal to and greater than about 700 MPa. Ceramic powders comprised of nanoparticulate crystallites are used to manufacture dental ar... | 02/02/2010 |
| 7642210 | Zirconia porous body and manufacturing method thereof A zirconia porous body with excellent stability of heat resistance is manufactured. This relates to a zirconia porous body having peaks at pore diameters of 8 to 20 nm and 30 to 100 nm in a pore distribution based on the BJH method, with a total pore volume of 0.4 c... | 01/05/2010 |
| 7632769 | Zirconia porous body and manufacturing method thereof A zirconia porous body with excellent stability of heat resistance is manufactured. This relates to a zirconia porous body having peaks at pore diameters of 8 to 20 nm and 30 to 100 nm in a pore distribution based on the BJH method, with a total pore volume of 0.4 c... | 12/15/2009 |
| 7608552 | Dental material or product and method of forming a dental product The disclosure relates to metal oxide powders with a bimodal particle size distribution, to ceramics that can be made from these metal oxide powders, especially milling ceramics for use in dental technology, to a method for the production of the metal oxide powders ... | 10/27/2009 |
| 7538055 | Transparent zirconia sintered body A primary sintered body having a density of 95 % or more obtained by sintering a zirconia powder comprising an yttria main component as a stabilizer under ordinary pressure is set in a vessel of a semi-sealed state and subjected to HIP treatment (secondary sintering... | 05/26/2009 |
| 7438837 | Method of producing solid electrolyte and solid electrolyte A method of producing a solid electrolyte (3, 13) is disclosed wherein solid electrolyte material is prepared having a composition expressed by a formula: (1-x) ZrO2 {xSc2O3 (where x is a number equal to or greater than 0.05 and equa... | 10/21/2008 |
| 7431910 | Process for preparing zirconium-cerium-based mixed oxides A process for preparing zirconium-cerium-based mixed oxides which comprises reacting an alkali with an aqueous solution of a zirconium salt containing 0.42-0.7 mole of sulphate anion (SO42−) per mole of zirconium cation at a temperature of no... | 10/07/2008 |
| 7431912 | Producing method for zirconia hollow particles A producing method for producing zirconia hollow particles in which a zirconia powder mutually combines to form a porous shell layer thereby constructing a hollow structure, the method being characterized in mixing under a pressurized contact a resin powder and a zi... | 10/07/2008 |
| 7396592 | Target for vaporizing under an electron beam, a method of fabricating it, a thermal barrier and a coating obtained from a target, and a mechanical part including such a coating The invention relates to a composite target in the form of a bar made of ceramic powders and designed to be evaporated under an electron beam, the target comprising zirconia and at least one zirconia stabilizer. In characteristic manner, said target is wherein said ... | 07/08/2008 |
| 7396789 | Gasifier reactor internal coating A gasifier internal refractory coating has at least one region of a sintered material containing at least 45% by weight of chromium oxide (Cr2O3) and at least 1% by weight of zirconium oxide, at least 20% by weight of the z... | 07/08/2008 |
| 7374821 | Thermal barrier composition and a ceramic coating having such a composition The invention relates to a ceramic thermal barrier composition of low conductivity and high high-temperature strength. In characteristic manner, the composition comprises a zirconia base, at least one trivalent oxide enabling the zirconia to be stabilized and enabli... | 05/20/2008 |
| 7364802 | Ceramic compositions useful in thermal barrier coatings having reduced thermal conductivity Ceramic compositions comprising at least about 91 mole % zirconia and up to about 9 mole % of a stabilizer component comprising a first metal oxide having selected from the group consisting of yttria, calcia, ceria, scandia, magnesia, india and mixtures thereof. Thi... | 04/29/2008 |
| 7364713 | Raw material powder for molding oxide ion conductor, and method for manufacturing the same It is an object of the present invention to provide a raw material powder for stably obtaining a dense sinter that is prevented from cracking, and a method for manufacturing this powder, and a method for manufacturing a lanthanum-based oxide ion conductor in which t... | 04/29/2008 |
| 7364806 | Thermal barrier coating system method of manufacturing the same A thermal barrier coating system comprising a metal substrate, a metal bonding layer and a ceramics thermal barrier layer wherein the ceramics thermal barrier layer has a columnar structure of a stabilized zirconia containing a stabilizer or a stabilized ZrO2 | 04/29/2008 |
| 7354878 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 04/08/2008 |
| 7351482 | Ceramic compositions for thermal barrier coatings stabilized in the cubic crystalline phase Zirconia-containing ceramic compositions that are capable of providing thermal barrier coatings wherein the zirconia is stabilized in the cubic crystalline phase. These compositions comprise at least about 50 mole % zirconia and a stabilizing amount up to about 49 m... | 04/01/2008 |
| 7348287 | Ceramic material The present invention relates to a ceramic material containing yttrium silicate which further contains zirconium, and to the use of said ceramic material as a heat and/or corrosion protection layer, and to a process for preparing coatings with said ceramic material.... | 03/25/2008 |
| 7341806 | Battery having carbon foam current collector A battery cell includes a negative current collector and at least one carbon foam positive current collector disposed within the cell such that the negative current collector at least partially surrounds the at least one carbon foam positive current collector. An in... | 03/11/2008 |
| 7341970 | Low thermal expansion articles Compositions, and articles having low thermal expansion suitable for high temperature applications, such as automotive exhaust treatment and method of manufacturing such articles are disclosed. ... | 03/11/2008 |
| 7335616 | Target for vaporizing under an electron beam, a method of fabricating it, a thermal barrier and a coating obtained from a target, and a mechanical part including such a coating The invention relates to a composite target in the form of a bar made of ceramic powders and designed to be evaporated under an electron beam, the target comprising zirconia and at least one zirconia stabilizer. In characteristic manner, said target is wherein said ... | 02/26/2008 |
| 7325652 | Bumper/muffler assembly A bumper/muffler assembly is provided comprising a bumper; and a muffler having an outer shell. The outer shell may be formed from a non-high impact resistant material, such as a thin metal or a composite material. The muffler may comprise a separate element from th... | 02/05/2008 |
| 7314846 | Method for preparing metal oxide particles and an exhaust gas purifying catalyst The present invention relates to metal oxide particles having cores comprising larger molar amounts of zirconia than of ceria, and surface layers comprising larger molar amounts of ceria than of zirconia. Further, the present invention relates to a method for prepar... | 01/01/2008 |
| 7309480 | Catalyst for hydrogen generation through steam reforming of hydrocarbons A catalyst that can be used for the production of hydrogen from hydrocarbon fuels in steam reforming processes contains an active metal of, e.g., at least one of Ir, Pt and Pd, on a catalyst support of, e.g., at least one of monoclinic zirconia and an alkaline-earth... | 12/18/2007 |
| 7291574 | Zirconia sintered body and a method for producing the same A zirconia sintered body having high strength and high toughness is provided, and a method for producing the same is also provided. The zirconia sintered body comprising tetragonal zirconia, wherein a full width at half maximum at (111) plane of the tetragonal zirco... | 11/06/2007 |
| 7291408 | Thermal barrier coatings with low thermal conductivity A ceramic material having particular utility as a thermal insulating or thermal barrier coating on metallic substrates is provided. The ceramic material broadly comprises at least one oxide and the balance comprising a first oxide selected from the group consisting ... | 11/06/2007 |
| 7288462 | Buffer zone for the prevention of metal migration Particle migration, such as silver electro-migration, on a flat ceramic surface is effectively eliminated by an upward vertical barrier formed on the surface or a groove formed in the surface between two silver conductors. ... | 10/30/2007 |
| 7281970 | Composite articles and methods of making the same Composite articles (e.g., abrasive articles (e.g., abrasive wheels and honing sticks), cutting tools, and cutting tool inserts) comprising a glass-ceramic distributed in a ceramic matrix. ... | 10/16/2007 |
| 7282192 | Mixed metal oxide containing sulfur The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ... | 10/16/2007 |
| 7275720 | Actively cooled ceramic thermal protection system An apparatus and method for thermal protection is provided. A thermal protection apparatus includes a porous layer attached to an inner structural member requiring thermal protection. The porous layer serves as both a cooling air plenum and a transpiring medium. The... | 10/02/2007 |
| 7273347 | Blade for a gas turbine A gas turbine blade (1) has a shroud (3) which is cooled by different cooling mechanisms in various regions (A, B, C) according to the different thermal load. In a first region (A), in a fin (8), bores are provided, by which a convective cooling... | 09/25/2007 |
| 7261833 | Ceramic electrolyte coating and methods Aqueous coating slurries useful in depositing a dense coating of a ceramic electrolyte material (e.g., yttrium-stabilized zirconia) onto a porous substrate of a ceramic electrode material (e.g., lanthanum strontium manganite or nickel/zirconia) and processes for pre... | 08/28/2007 |
| 7259119 | Sag control of isopipes used in making sheet glass by the fusion process Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep r... | 08/21/2007 |
